body{
	font-size: 14px;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    font-family: -apple-system, BlinkMacSystemFont, "San Francisco", "Helvetica Neue", "Noto Sans CJK SC", "Noto Sans CJK", "Source Han Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
    margin-left: 30px;
}
a{
	color: #3498db;
    text-decoration: none;
}
button{
    height: 1.75rem;
    line-height: 1.625rem;
    padding: 0rem 0.9375rem;
    margin: 10px;
    color: #555;
    background-color: #eee;
    border: 1px solid #ddd;
    transition: background-color .2s,box-shadow .5s;
    transition-timing-function: cubic-bezier(.39,.575,.565,1);
    display: inline-block;
    outline: 0;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.head{
	text-align: center;
}
h1, h2, h3, h4, h5 {
    font-weight: 300;
    font-size: 40px;
    color: #3d3d3d;
    line-height: 1.1;
}
h6 {
    font-weight: 200;
    font-size: 30px;
    color: #3d3d3d;
}
.engan{
	font-size: 25px;
	color: grey;
}
.top{
    height: auto;
    width:100%;
    margin-left: 0;
    background:rgb(189, 181, 181);
    position: fixed;
    top: 0;
    margin-bottom: 5px;
}
.top ul{
    width: auto;
    list-style-type: none;
    white-space:nowrap;
    overflow: hidden;
    margin-left: 5%;
    padding: 0;

}
.top li {
    float:left;
    margin-right:2%;
    position: relative;
    overflow: hidden;
}
.top li a{
    display: block;
    color:white;
    text-align: center;
    padding: 3px;
    overflow: hidden;
    text-decoration: none;
    
}
.top li a:hover{
    background-color: rgba(0,0,0,.3);
}
.top ul li ul{
    background:rgb(189, 181, 181);
    position: relative;
    display: none;

}
.top ul li ul li{
    float:none;
    text-align: center;
}
.top ul li:hover ul{
    display: block;
}
.ex-p {
    font-size: 25px;
}
.name-li {
    line-height: 30px;
    font-size: 15px;
}
.list li{
    font-weight: 20;
    font-size: 20px;
}